CN203475259U - 一种双块式轨枕承轨面相对扭曲检测工具 - Google Patents
一种双块式轨枕承轨面相对扭曲检测工具 Download PDFInfo
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Cited By (1)
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CN109668502A (zh) * | 2017-10-16 | 2019-04-23 | 上海同济检测技术有限公司 | 型材扭转测量装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109668502A (zh) * | 2017-10-16 | 2019-04-23 | 上海同济检测技术有限公司 | 型材扭转测量装置 |
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Effective date of registration: 20160105 Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Patentee after: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. Address before: 610041, No. nine, No. 156, building B, high building, Xing Xing Road, Chengdu hi tech Zone, Sichuan Patentee before: CHINA RAILWAY ERJU Co.,Ltd. Patentee before: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20180822 Address after: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee after: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. Patentee after: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. Address before: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Patentee before: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee after: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. Patentee after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Address before: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee before: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. Patentee before: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |
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CF01 | Termination of patent right due to non-payment of annual fee |